/* 历史介绍 */
.intro-row{
     display: flex;
     flex-direction: column;
     /* margin: 0 auto; */
     justify-content: center;
     
    }
    
    .intro-pic{
     justify-content: center;
     margin: 0 auto;
     
    }
    .intro-pic img{
     width: 300px;
     /* margin: 0 auto; */
     /* align-items: center; */
     
    }
    
    .intro-content{
    margin: 0 auto;
     margin-top: 50px;
     width: 300px;
    /* margin-left:50px; */
    }
    


/* <!-- 尾部关于我们 --> */
.last_introduce{
     flex-direction: column;
     display: flex;
    margin: 0 auto;
     padding: 25px 25px;
     /* justify-content: center; */
    }
    
    .last_inroduce_pic{justify-content: center;
     margin: 0 auto;}
    
    .last_inroduce_pic img{
     width: 300px;
     justify-content: center;
    margin: 0 auto;
     
    }
    
    .last_introduce_text{
     text-align: center;
     padding: 10px;
    
    }
    
    .last_introduce_content{
     text-align: center;
    }


/* 尾部手机 */
.footer-container{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.grids{
    display: flex;
    flex-direction: column;
    align-items: center;

}

.footer-logo img{
    margin-left: -24px;
    margin-top: 20px;
    width: 300%;
    
}


.my-logo img{
    margin-left: -25px;
    padding: 10px;
}
.introduce h5{
    /* padding-left: 10px; */
    /* padding-left: 20px;
    padding-right: 90px; */
    padding: 10px 60px;
    line-height: 20px;
    
}


.grids h3{
    text-align: center;
}


.grids{
    margin: 0 auto;
    width: 60%;
    border-top: 1px solid #777679;
    padding: 15px;

}


.grids li{
    /* margin-right: 110px; */
    margin-top: 10px;
}

.copyright{
    text-align: center;
    padding: 25px 25px;

}